Home / 11,907.28-17,863.41-4,511.57

Finding the Fourth Proportional to 11,907.28, 17,863.41 and 4,511.57

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Solution

The fourth proportional to 11,907.28, 17,863.41 and 4,511.57 is: 6,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.28 : 17,863.41 = 4,511.57 : x
  2. Step 2: Convert to fraction form
    11,907.28/17,863.41 = 4,511.57/x
  3. Step 3: Cross multiply
    11,907.28x = 17,863.41 × 4,511.57
  4. Step 4: Simplify right side
    11,907.28x = 80,592,024.65
  5. Step 5: Solve for x
    x = 80,592,024.65/11,907.28
  6. Step 6: Final answer
    x = 6,768.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.